Leonard Everett Fisher Books

Discusses the history of the pyramids of Teotihuacan and of the Aztecs, how they evolved from the Toltecs, how they lived and worshipped, and how they were overcome by the Spaniards.

The Wailing Wall

By Angela Fisher, Leonard Everett Fisher

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Surveys the history of the Jewish people in Palestine and their activities around the First and Second Temples the site of which is now marked by the Western or Wailing Wall, with an emphasis on ev...

CALENDAR ART

By Angela Fisher, Leonard Everett Fisher

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Discusses what various civilizations have done to measure time. Includes Aztec, Babylonian, Roman, and more.

Sailboat Lost

By Leonard Everett Fisher

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Two boys are stranded when their boat is carried away by a high tide and then rescued when it returns.

Kinderdike

By Leonard Everett Fisher

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When a baby and a kitten are found safe and dry after a disastrous flood in 1421, the people of a village in southern Holland decide to rebuild.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.